Another excellent CW from xChequer though I have a few questions.
ACROSS
1 Dry rum initially consumed, can get plastered with this? (6) TROWEL {T{R}OWEL}
4 Abusive words, these sadly smother mine (8) EPITHETS {E{PIT}HETS*}
10 Cause tail to wag, make it real (9) ACTUALISE*
11 Block armaments, seal fate (5) KARMA [T]
12 Popular bases are undesirable environments (7) HOTBEDS {HOT}{BEDS}
13 Model exercise interrupted to dismantle swing (7) TRAPEZE {T}{RA{PE}ZE}
14 Affected by fervour with image of goddess (4) AVID <=
15 Compelling country to accept direction, Oriental’s travel permit
rejected (10) PERSUASIVE {PER{S}U}{ASIV<=}{E<=}
19 Once-over for Indian ship before drill, combat will mostly
follow (10) INSPECTION {INS}{PE}{aCTION}
20 Brought over charts and unwanted correspondence (4) SPAM <=
23 Rim belt adjusted for tambourine (7) TIMBREL*
27 Sage, polite man reciprocated greeting (5) RISHI {RIS<=}{HI}
28 Adolescents rightly get a sneer (9) TEENAGERS*
29 Many a pig found inside a wood (8) MAHOGANY {M{A}{HOG}ANY}
30 Angry man’s blind date (6) HEATED {HE}{DATE*}
DOWN
1 Reach a junction, regroup for a breather (7) TRACHEA {REACH+A+T}*
2 Exposed, removes clothes and performs better (9) OUTSTRIPS {OUT}{STRIPS}
3 Shelter safeguarding worker hoisted up for protective coating
(6) ENAMEL {E{NAM}EL}<=
5 Fold suit on table top (5) PLEAT {PLEA}{T}
6 Income gone, food to go? (4-4) TAKE-AWAY {TAKE}-{AWAY}
7 Lofty dwelling, King and Emperor living inside, see? (5) EYRIE {EY{R}{I}E} 'I' for Emperor? (See comments)
8 Closely connected cats? (7) SIAMESE [CD]
9 Imprudent girl, darling, overstepped a point (8) MISSPENT {MISS}{PE{N}T}
16 Kiss without warning, thereafter straighten things out (8) SMOOTHEN {SMOOch}{THEN} Warning and 'ch'? (See comments)
17 Deploy tool (9) IMPLEMENT [DD]
18 Desire variable remuneration without limit (8) YEARNING {Y}{EARNINGs}
19 Meanwhile bury him sans top honours (7) INTERIM {INTER}{hIM}
21 Maltreated union leader crushed by loss experienced (7) MISUSED {MIS{U}SED}
22 Harshly rebuke engineer on charge (6) BERATE {BE}{RATE}
24 Obligatory hospital time when tusker’s feeling very hot? (5) MUSTH {MUST}{H}
25 Tongue of American found in Chile, say (5) LATIN {LATIN america}
